Plots.resize: improve test

Author: antoinerg

test/jasmine/tests/plots_test.js

@@ -421,11 +421,18 @@ describe('Test Plots', function() {
                 var p = [];
                 Plotly.newPlot(gd, [{y: [5, 2, 5]}])
                     .then(function() {
+                        gd.style.width = '500px';
+                        gd.style.height = '500px';
                         p.push(Plotly.Plots.resize(gd));
                         p.push(Plotly.Plots.resize(gd));
                         p.push(Plotly.Plots.resize(gd));
                         return Promise.all(p);
                     })
+                    .then(function(v) {
+                        // Make sure they all resolve to the same value
+                        expect(v[0]).toEqual(v[1]);
+                        expect(v[1]).toEqual(v[2]);
+                    })
                     .catch(failTest)
                     .then(done);
             });